Exercise device seat



FIG. 1 is a perspective view of my exercise device seat;

FIG. 2 is top plan view thereof;

FIG. 3 is a front view thereof with the rear view being a mirror image thereof;

FIG. 4 is a left side elevational view thereof; and,

FIG. 5 is a right side elevational view thereof. 

I claim the ornamental design for a exercise device seat, as shown and described. 